However the raid came about, it should prompt questions. There is in this country, as in most democratic states, a right – express or implied – to free assembly. The mass arrest of more than 100 people gathered in the same place comes perilously close to infringing on that freedom.

There always must be, freedom to protest. The police made their arrests, citing conspiracy to commit aggravated trespass and criminal damage. But, if we have learned anything in recent months and years, it is that early accounts by police spokesmen to justify particular actions are not always to be relied upon.

4

Mounting a protest outside a power station or indeed anywhere else is not illegal. All the police have said so far is that the operation was “intelligence-led.” Which could mean that someone told them something he’d heard in a pub.